On the other hand, wolves, jackals, and dingos cross freely with domestic dogs and the progeny is fertile. I have myself seen many crosses between American timber wolves and dogs. Some shown me by Superintendent Benson, of Norum-bega Park, near Boston, some years ago, were the offspring of a great Dane dog and a female wolf. They were finely built, high-strung, very wolfish-looking dogs, the characteristics of the wild parent distinctly predominating.

Dingo.

In Kansas I once saw two well-grown puppies whose mother was a coyote and father an unknown dog. One was grayish, somewhat like the mother: the other was black. They had wolfish heads and snarled like coyotes. They were very nervous and at every opportunity ran away from me with their tails between their legs.

Both the American gray wolf and the smaller prairie wolf, or coyote, are easy to domesticate, though it has been my experience that they never become quite as tame and tractable as domestic dogs.

I had one coyote, which we named Romulus, for six years, and a good part of the time he was loose. He followed my wife and me on our tramps through the woods and over the mountains, sometimes at heel, sometimes ranging out in front. He would come at a call, and if within hearing would respond instantly to an imitation of the long-drawn howl of the coyote.